听一听，选一选。
(     ) 1. Good morning, ___________!
(     ) 2. Hello, ___________.
(     ) 3. Nice to meet you, ___________!
(     ) 4. I'm ___________.		 a. Li Yun
b. Mr Zhang
c. Mike
d. Miss White                                                                      
1-4  b  c  a  d
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